Timing Belt pulley stock available for Imerial pilot Bore of MXL XL L H XH tooth profile. Imperial pilot bore pulleys are popular products from Recca Machinery. We are professional timing belt pulleys manufacture and supplier in China，and have a Timing belt pulley stock to satisfy customer’s fast delivery request . We’ve started timing belt pulleys production since the year 2006 and always met the rising demand of its customers. The standard timing pulleys stock are supplied with a small prebore so that they can be machined according to customers’ demand. Besides, taper bore is available. All Recca Pulleys can be made of special materials, with heat and surface treatments according to customer specifications.
| Pilot Bore Timing belt pulley | ||
|---|---|---|
|
Type |
Pitch | Teeth No. |
| MXL 025 | 2.032 mm | 16~72 |
| XL 037 | 5.08 mm | 10~72 |
| L 050 | 9.525 mm | 10~120 |
| L 075 | 9.525 mm | 10~120 |
| L 100 | 9.525 mm | 16~120 |
| H 100 | 12.7 mm | 14~156 |
| H 150 | 12.7 mm | 14~156 |
| H 200 | 12.7 mm | 14~156 |
| H 300 | 12.7 mm | 14~156 |
| XH 200 | 22.225 mm | 18~120 |
| XH 300 | 22.225 mm | 18~120 |
| XH 400 | 22.225 mm | 18~120 |
Toothed pulleys are coded on the basis of:
– the number of teeth
– pitch, expressed by one or more letters
– width, expressed in hundredths of an inch
– flange ( if any ) expressed by the letter F.
Example:
Pulley 10 XL 037 has:
– 10 teeth
– pitch identified by letters XL
– a belt width of 37 mm
Pulley Drawings Symbols
N = Number of pitch lengths or teeth on a pulley
P = Pitch is the distance between the axes of two adjacent teeth irrespective of whether these teeth are on the pulley or
the belt provided that measurement is taken on the circumferenceor pitch line
t = Belt thickness
Dp = The diameter of the pulley pitch is obtained from formula Dp = (P · N)/P
De = External diameter of pulley De=Dp – NF
Df = Flange diameter
d = Bore diameter
Dm = Hub diameter
F = Tooth width
L = Total length incl. Hub
